mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-13 23:36:57 +07:00
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
|
/*
|
||
|
|
* Linux/arm64 port of the OpenSSL SHA512 implementation for AArch64
|
||
|
|
*
|
||
|
|
* Copyright (c) 2016 Linaro Ltd. <ard.biesheuvel@linaro.org>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the Free
|
||
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <crypto/internal/hash.h>
|
||
|
|
#include <linux/cryptohash.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/string.h>
|
||
|
|
#include <crypto/sha.h>
|
||
|
|
#include <crypto/sha512_base.h>
|
||
|
|
#include <asm/neon.h>
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash for arm64");
|
||
|
|
MODULE_AUTHOR("Andy Polyakov <appro@openssl.org>");
|
||
|
|
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_ALIAS_CRYPTO("sha384");
|
||
|
|
MODULE_ALIAS_CRYPTO("sha512");
|
||
|
|
|
||
|
|
asmlinkage void sha512_block_data_order(u32 *digest, const void *data,
|
||
|
|
unsigned int num_blks);
|
||
|
|
|
||
|
|
static int sha512_update(struct shash_desc *desc, const u8 *data,
|
||
|
|
unsigned int len)
|
||
|
|
{
|
||
|
|
return sha512_base_do_update(desc, data, len,
|
||
|
|
(sha512_block_fn *)sha512_block_data_order);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sha512_finup(struct shash_desc *desc, const u8 *data,
|
||
|
|
unsigned int len, u8 *out)
|
||
|
|
{
|
||
|
|
if (len)
|
||
|
|
sha512_base_do_update(desc, data, len,
|
||
|
|
(sha512_block_fn *)sha512_block_data_order);
|
||
|
|
sha512_base_do_finalize(desc,
|
||
|
|
(sha512_block_fn *)sha512_block_data_order);
|
||
|
|
|
||
|
|
return sha512_base_finish(desc, out);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sha512_final(struct shash_desc *desc, u8 *out)
|
||
|
|
{
|
||
|
|
return sha512_finup(desc, NULL, 0, out);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct shash_alg algs[] = { {
|
||
|
|
.digestsize = SHA512_DIGEST_SIZE,
|
||
|
|
.init = sha512_base_init,
|
||
|
|
.update = sha512_update,
|
||
|
|
.final = sha512_final,
|
||
|
|
.finup = sha512_finup,
|
||
|
|
.descsize = sizeof(struct sha512_state),
|
||
|
|
.base.cra_name = "sha512",
|
||
|
|
.base.cra_driver_name = "sha512-arm64",
|
||
|
|
.base.cra_priority = 150,
|
||
|
|
.base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
|
||
|
|
.base.cra_blocksize = SHA512_BLOCK_SIZE,
|
||
|
|
.base.cra_module = THIS_MODULE,
|
||
|
|
}, {
|
||
|
|
.digestsize = SHA384_DIGEST_SIZE,
|
||
|
|
.init = sha384_base_init,
|
||
|
|
.update = sha512_update,
|
||
|
|
.final = sha512_final,
|
||
|
|
.finup = sha512_finup,
|
||
|
|
.descsize = sizeof(struct sha512_state),
|
||
|
|
.base.cra_name = "sha384",
|
||
|
|
.base.cra_driver_name = "sha384-arm64",
|
||
|
|
.base.cra_priority = 150,
|
||
|
|
.base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
|
||
|
|
.base.cra_blocksize = SHA384_BLOCK_SIZE,
|
||
|
|
.base.cra_module = THIS_MODULE,
|
||
|
|
} };
|
||
|
|
|
||
|
|
static int __init sha512_mod_init(void)
|
||
|
|
{
|
||
|
|
return crypto_register_shashes(algs, ARRAY_SIZE(algs));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit sha512_mod_fini(void)
|
||
|
|
{
|
||
|
|
crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(sha512_mod_init);
|
||
|
|
module_exit(sha512_mod_fini);
|